FILE - In this Sept. 23, 2017, file photo, Alabama running back Najee Harris (22) leaps over Vanderbilt safety Arnold Tarpley III (2) in the second half of an NCAA college football game in Nashville, Tenn. The Crimson Tide got the nod over Ohio State and will play Clemson in the College Football Playoff on Jan. 1, 2018, in the Sugar Bowl. (AP Photo/Mark Humphrey, File)

FILE - In this Sept. 23, 2017, file photo, Alabama running back Najee Harris (22) leaps over Vanderbilt safety Arnold Tarpley III (2) in the second half of an NCAA college football game in Nashville, Tenn. The Crimson Tide got the nod over Ohio State and will play Clemson in the College Football Playoff on Jan. 1, 2018, in the Sugar Bowl. (AP Photo/Mark Humphrey, File)